| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.263 | 20/6:05.260 |
| 2 | 2 | 19.122 | 20/6:13.850 |
| 3 | 1 | 18.172 | 20/6:10.380 |
| 4 | 1 | 17.907 | 20/6:07.320 |
| 5 | 1 | 18.584 | 20/6:08.192 |
| 6 | 1 | 18.210 | 20/6:07.527 |
| 7 | 1 | 18.847 | 20/6:08.871 |
| 8 | 1 | 17.871 | 20/6:07.440 |
| 9 | 1 | 18.172 | 20/6:06.996 |
| 10 | 1 | 18.505 | 20/6:07.306 |
| 11 | 1 | 17.751 | 20/6:06.189 |
| 12 | 1 | 18.949 | 20/6:07.255 |
| 13 | 1 | 19.319 | 20/6:08.726 |
| 14 | 1 | 18.580 | 20/6:08.931 |
| 15 | 1 | 18.011 | 20/6:08.351 |
| 16 | 1 | 20.092 | 20/6:10.444 |
| 17 | 1 | 20.337 | 20/6:12.579 |
| 18 | 2 | 21.710 | 20/6:16.002 |
| 19 | 1 | 18.188 | 20/6:15.358 |
| 20 | 1 | 17.740 | 20/6:14.330 |